Section 249H. The director of standards shall promulgate rules and regulations establishing standards for the various grades of heating oils, requiring manufacturers or distributors to furnish samples of the same, and providing for the entry and inspection of the premises of such manufacturers or distributors, and the inspection of heating oils stored thereon. Whoever violates any rule or regulation promulgated under the provisions of this section shall be punished by a fine of not more than five hundred dollars or by imprisonment for not more than six months, or both.